Removes headers middleware options

pkg/anonymize/anonymize_config_test.go

@@ -201,7 +201,6 @@ func TestDo_dynamicConfiguration(t *testing.T) {
 					AccessControlAllowCredentials:     true,
 					AccessControlAllowHeaders:         []string{"foo"},
 					AccessControlAllowMethods:         []string{"foo"},
-					AccessControlAllowOrigin:          "foo",
 					AccessControlAllowOriginList:      []string{"foo"},
 					AccessControlAllowOriginListRegex: []string{"foo"},
 					AccessControlExposeHeaders:        []string{"foo"},

pkg/anonymize/testdata/anonymized-dynamic-config.json

@@ -144,7 +144,6 @@
           "accessControlAllowMethods": [
             "foo"
           ],
-          "accessControlAllowOrigin": "xxxx",
           "accessControlAllowOriginList": [
             "xxxx"
           ],

pkg/config/dynamic/fixtures/sample.toml

@@ -367,7 +367,6 @@
         accessControlAllowCredentials = true
         accessControlAllowHeaders = ["foobar", "foobar"]
         accessControlAllowMethods = ["foobar", "foobar"]
-        accessControlAllowOrigin = "foobar"
         accessControlAllowOriginList = ["foobar", "foobar"]
         accessControlExposeHeaders = ["foobar", "foobar"]
         accessControlMaxAge = 42

pkg/config/dynamic/middlewares.go

@@ -151,8 +151,6 @@ type Headers struct {
 	AccessControlAllowHeaders []string `json:"accessControlAllowHeaders,omitempty" toml:"accessControlAllowHeaders,omitempty" yaml:"accessControlAllowHeaders,omitempty" export:"true"`
 	// AccessControlAllowMethods must be used in response to a preflight request with Access-Control-Request-Method set.
 	AccessControlAllowMethods []string `json:"accessControlAllowMethods,omitempty" toml:"accessControlAllowMethods,omitempty" yaml:"accessControlAllowMethods,omitempty" export:"true"`
-	// AccessControlAllowOrigin Can be "origin-list-or-null" or "*". From (https://www.w3.org/TR/cors/#access-control-allow-origin-response-header)
-	AccessControlAllowOrigin string `json:"accessControlAllowOrigin,omitempty" toml:"accessControlAllowOrigin,omitempty" yaml:"accessControlAllowOrigin,omitempty"` // Deprecated
 	// AccessControlAllowOriginList is a list of allowable origins. Can also be a wildcard origin "*".
 	AccessControlAllowOriginList []string `json:"accessControlAllowOriginList,omitempty" toml:"accessControlAllowOriginList,omitempty" yaml:"accessControlAllowOriginList,omitempty"`
 	// AccessControlAllowOriginListRegex is a list of allowable origins written following the Regular Expression syntax (https://golang.org/pkg/regexp/).
@@ -161,7 +159,7 @@ type Headers struct {
 	AccessControlExposeHeaders []string `json:"accessControlExposeHeaders,omitempty" toml:"accessControlExposeHeaders,omitempty" yaml:"accessControlExposeHeaders,omitempty" export:"true"`
 	// AccessControlMaxAge sets the time that a preflight request may be cached.
 	AccessControlMaxAge int64 `json:"accessControlMaxAge,omitempty" toml:"accessControlMaxAge,omitempty" yaml:"accessControlMaxAge,omitempty" export:"true"`
-	// AddVaryHeader controls if the Vary header is automatically added/updated when the AccessControlAllowOrigin is set.
+	// AddVaryHeader controls if the Vary header is automatically added/updated when the AccessControlAllowOriginList is set.
 	AddVaryHeader bool `json:"addVaryHeader,omitempty" toml:"addVaryHeader,omitempty" yaml:"addVaryHeader,omitempty" export:"true"`
 
 	AllowedHosts      []string `json:"allowedHosts,omitempty" toml:"allowedHosts,omitempty" yaml:"allowedHosts,omitempty"`

pkg/config/label/label_test.go

@@ -47,7 +47,6 @@ func TestDecodeConfiguration(t *testing.T) {
 		"traefik.http.middlewares.Middleware8.headers.allowedhosts":                                "foobar, fiibar",
 		"traefik.http.middlewares.Middleware8.headers.accesscontrolallowheaders":                   "X-foobar, X-fiibar",
 		"traefik.http.middlewares.Middleware8.headers.accesscontrolallowmethods":                   "GET, PUT",
-		"traefik.http.middlewares.Middleware8.headers.accesscontrolalloworigin":                    "foobar",
 		"traefik.http.middlewares.Middleware8.headers.accesscontrolalloworiginList":                "foobar, fiibar",
 		"traefik.http.middlewares.Middleware8.headers.accesscontrolalloworiginListRegex":           "foobar, fiibar",
 		"traefik.http.middlewares.Middleware8.headers.accesscontrolexposeheaders":                  "X-foobar, X-fiibar",
@@ -529,7 +528,6 @@ func TestDecodeConfiguration(t *testing.T) {
 							"GET",
 							"PUT",
 						},
-						AccessControlAllowOrigin: "foobar",
 						AccessControlAllowOriginList: []string{
 							"foobar",
 							"fiibar",
@@ -1006,7 +1004,6 @@ func TestEncodeConfiguration(t *testing.T) {
 							"GET",
 							"PUT",
 						},
-						AccessControlAllowOrigin: "foobar",
 						AccessControlAllowOriginList: []string{
 							"foobar",
 							"fiibar",
@@ -1169,7 +1166,6 @@ func TestEncodeConfiguration(t *testing.T) {
 		"traefik.HTTP.Middlewares.Middleware8.Headers.AccessControlAllowCredentials":               "true",
 		"traefik.HTTP.Middlewares.Middleware8.Headers.AccessControlAllowHeaders":                   "X-foobar, X-fiibar",
 		"traefik.HTTP.Middlewares.Middleware8.Headers.AccessControlAllowMethods":                   "GET, PUT",
-		"traefik.HTTP.Middlewares.Middleware8.Headers.AccessControlAllowOrigin":                    "foobar",
 		"traefik.HTTP.Middlewares.Middleware8.Headers.AccessControlAllowOriginList":                "foobar, fiibar",
 		"traefik.HTTP.Middlewares.Middleware8.Headers.AccessControlAllowOriginListRegex":           "foobar, fiibar",
 		"traefik.HTTP.Middlewares.Middleware8.Headers.AccessControlExposeHeaders":                  "X-foobar, X-fiibar",

pkg/middlewares/headers/headers.go

@@ -18,11 +18,6 @@ const (
 )
 
 func handleDeprecation(ctx context.Context, cfg *dynamic.Headers) {
-	if cfg.AccessControlAllowOrigin != "" {
-		log.FromContext(ctx).Warn("accessControlAllowOrigin is deprecated, please use accessControlAllowOriginList instead.")
-		cfg.AccessControlAllowOriginList = append(cfg.AccessControlAllowOriginList, cfg.AccessControlAllowOrigin)
-		cfg.AccessControlAllowOrigin = ""
-	}
 	if cfg.SSLRedirect {
 		log.FromContext(ctx).Warn("SSLRedirect is deprecated, please use entrypoint redirection instead.")
 	}

pkg/provider/kv/kv_test.go

@@ -97,7 +97,6 @@ func Test_buildConfiguration(t *testing.T) {
 		"traefik/http/middlewares/Middleware06/digestAuth/usersFile":                                 "foobar",
 		"traefik/http/middlewares/Middleware09/headers/accessControlAllowHeaders/0":                  "foobar",
 		"traefik/http/middlewares/Middleware09/headers/accessControlAllowHeaders/1":                  "foobar",
-		"traefik/http/middlewares/Middleware09/headers/accessControlAllowOrigin":                     "foobar",
 		"traefik/http/middlewares/Middleware09/headers/accessControlAllowOriginList/0":               "foobar",
 		"traefik/http/middlewares/Middleware09/headers/accessControlAllowOriginList/1":               "foobar",
 		"traefik/http/middlewares/Middleware09/headers/accessControlAllowOriginListRegex/0":          "foobar",
@@ -554,7 +553,6 @@ func Test_buildConfiguration(t *testing.T) {
 							"foobar",
 							"foobar",
 						},
-						AccessControlAllowOrigin: "foobar",
 						AccessControlAllowOriginList: []string{
 							"foobar",
 							"foobar",